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be quiet! System Power 7

be quiet! System Power 7

Model System Power 7Part no. BN146EAN 5711045910555

51 specifications
  • Noise20.7 dB
  • ColourBlack
  • Total power300 W
  • Motherboard power connector20+4 pin ATX
  • PurposePC
  • Operating temperature (T-T)0 - 40 °C
See all specifications

Overview

Noise
20.7 dB
Colour
Black
Total power
300 W
Motherboard power connector
20+4 pin ATX
Purpose
PC
Operating temperature (T-T)
0 - 40 °C
Brand
be quiet!
Model
System Power 7
Part numbers
BN146, BN140, BN141, BN142, BN143, BN144 +1 more
EAN / UPC
5711045910555, 4260052182956, 4260052182970, 4260052182994 +12 more
Also known as
be quiet! System Power 7 power supply unit 300 W 20+4 pin ATX ATX Black

Specifications

51 specifications in 10 groups

Power

Total power300 W
Peak power350 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Input current2/4 A
Maximum input current (@110V)+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor0.992
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)103 W
Combined power (+12V)288 W
Combined power (+5V)103 W
Max output current (+3.3V)21 A
Max output current (+12V)24 A
Max output current (+12V1)18 A
Max output current (+12V2)18 A
Max output current (+5V)15 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)2.5 A
Efficiency87%
Hold time18.6 ms
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector20+4 pin ATX
Number of SATA power connectors4
Peripheral (Molex) power connectors (4-pin)2
EPS power connector (8-pin)No
CPU power connector (4+4 pin)Yes
Floppy drive power connector1
Cabling typeNon-Modular

Performance

PurposePC
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Bronze
ATX version2.31
Noise level20.7 dB
Mean time between failures (MTBF)100000 h

Design

Product colourBlack
Cooling typeActive
Fan diameter12 cm
Number of fans1 fan(s)
Fan speed1021
On/off switchYes

Operational conditions

Operating temperature (T-T)0 - 40 °C

Certificates

Compliance certificatesRoHS
CertificationCE, CB, Tüv, Semko (S), FCC, cTUVus

Weight & dimensions

Width150 mm
Depth140 mm
Height86 mm

Packaging data

Package weight1.68 kg

Technical details

Sustainability certificatesENERGY STAR

Other features

Noise level (silent mode, <30%)13.9 dB
Noise level (quiet mode, 50%)14.7 dB
Noise level (full-load mode, 100%)20.7 dB

What people say

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